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Single Crystal Quartz Wafers

Single Crystal Quartz Wafers

Our abundance experience at growing and mass production for piezo grade quartz . We are equipped with advanced facilities at Crystal growing, wafer lapping, polishing and checking.

Our R&D is active at developing and researching from big material to process 8” quartz wafer or more.

Find here details of CQT selling lithium niobate wafer, lithium tantanlate wafer, piezo single crystal blanksand glass substrates for biochemistry.

Product Parameters

Material

QuartzCrystal

Cutting Angle

X/Y/Z/AT32、33、36/BT/ST42.75°-cut etc

Diameter/size

3”(76.2mm)

4” (100mm)

6"(150mm)

8"(200mm)

Tol(±)

<0.20 mm

ThinnestThickness

Primary Flat

22mm

32mm

LTV (5mmx5mm)

<1µm

TTV

<3µm

Bow

-30<bow<30

Warp

<40µm

PLTV(<0.5um)

≥95%(5mm*5mm)

Orientation Flat

All available

Surface Type

Single Side Polished /Double Sides Polished

Polished side Ra

<0.5nm

Back Side Criteria

General is 0.2-0.5µm or as customized

Edge Criteria

R=0.2mm or Bullnose

Material Property

ECD

Betterthan grade 4

Inclusion

Betterthan grade II

Q-Value

Betterthan grade C

Wafer Surface Criteria

Particles ¢>0.3 µ m

<= 30

Scratch , Chipping

None

Defect

No edge cracks, scratches, saw marks, stains

Packaging

Qty/Wafer box

25pcs per box

CQTdedicatedtoproduceseries glass wafers, fused silica wafers, SAW grade lithium tantalate wafers, optical grade lithium tantalate wafers, SAW grade lithium niobate wafers, optical grade lithium niobate wafers. CQT is a leading Chinese manufacturer who involves in piezoelectric crystals, surfaceacoustic wave filtersand the single crystal growth.



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